In this blog we will know how to save multiple selected list items in database from dropdown list when selected.

 

 

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Save_multiple_select_item_dropdown._Default" %>

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 

<html xmlns="http://www.w3.org/1999/xhtml" >

<head runat="server">

    <title>Untitled Page</title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

     <asp:DropDownList ID="DropDownList1" runat="server"

        onselectedindexchanged="DropDownList1_SelectedIndexChanged">

    </asp:DropDownList>

    </div>

    </form>

</body>

</html>

 

 

 

using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

using System.Data.SqlClient;

namespace Save_multiple_select_item_dropdown

{

    public partial class _Default : System.Web.UI.Page

    {

        string strConnString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

        string str;

        SqlCommand com;

 

        protected void Page_Load(object sender, EventArgs e)

        {

            DropDownList1.AutoPostBack = true;

            SqlConnection con = new SqlConnection(strConnString);

 

            if (!IsPostBack)

            {

                DropDownList1.Items.Add("Choose Name");

                con.Open();

                str = "select * from  employee";

                com = new SqlCommand(str, con);

                SqlDataReader reader = com.ExecuteReader();

                while (reader.Read())

                {

                    DropDownList1.Items.Add(reader["empname"].ToString());

                }

                reader.Close();

                con.Close();

            }

        }

 

        protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)

        {

            SqlConnection con = new SqlConnection(strConnString);

            con.Open();

            for (int i = 0; i < DropDownList1.Items.Count; i++)

            {

                if (DropDownList1.Items[i].Selected == true)

                {

                    str = "insert into employee1 values('" + DropDownList1.Items[i].ToString() + "')";

                    com = new SqlCommand(str, con);

                    com.ExecuteNonQuery();

                    Response.Write("<script>alert('Items Inserted');</script>");

                }

            }

        }

    }

}

 

 

Thanks for reading